As Boston's leading boutique residential real estate brokerage agency, Ballast provides full-service sales, marketing and specialty real estate advisory services to Buyers, Sellers and Investors and Developers. Benefit from our Agents' local market expertise and investment knowledge, whether you're searching for a brownstone in the Back Bay, a single-family home in Beacon Hill, a waterfront condo with Harbor views, a loft in the South End, or an investment property.